<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      margin: 0;
      padding: 0;
      /* 怪异盒模型 */
      box-sizing: border-box;
    }
    #app {
      width: 1000px;
      border: 1px solid #000;
      margin: 50px auto;
    }

    header {
      width: 100%;
      height: 60px;
      background-color: lightblue;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    main {
      width: 100%;
      height: 420px;
      display: flex;
      justify-content: space-between;
    }

    .left {
      width: 184px;
      height: 100%;
      background-color: aquamarine;
    }

    .right {
      width: 796px;
      height: 100%;
      background-color: lawngreen;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-content: space-between;
    }

    .item {
      width: 184px;
      height: 200px;
      border: 1px solid #000;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .img {
      margin-top: 30px;
    }
    h4 {
      margin-top: 10px;
    }
    .des {
      margin-top: 10px;
    }
    .price {
      margin-top: 10px;
    }
  </style>
</head>
<body>
  <div id="app">
    <header>
      <h3>手机</h3>
      <p>查看更多</p>
    </header>
    <main>
      <div class="left"></div>
      <div class="right">
        <div class="item">
          <span class="img">🏀</span>
          <h4>手机手机</h4>
          <p class="des">手机手机</p>
          <span class="price">￥1999</span>
        </div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
      </div>
    </main>
  </div>
</body>
</html>